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initial message templates support
[claws.git] / src / imap.c
blobb8838f72f1a02386009647bd25cccfbcdf26008b
1 /*
2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2001 Hiroyuki Yamamoto
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20 #ifdef HAVE_CONFIG_H
21 # include "config.h"
22 #endif
23
24 #include <glib.h>
25 #include <stdio.h>
26 #include <string.h>
27 #include <stdlib.h>
28 #include <dirent.h>
29 #include <unistd.h>
30 #include <ctype.h>
31
32 #include "intl.h"
33 #include "imap.h"
34 #include "socket.h"
35 #include "recv.h"
36 #include "procmsg.h"
37 #include "procheader.h"
38 #include "folder.h"
39 #include "statusbar.h"
40 #include "prefs_account.h"
41 #include "codeconv.h"
42 #include "utils.h"
43 #include "inputdialog.h"
44 #include "ssl.h"
45
46 #define IMAP4_PORT 143
47 #if USE_SSL
48 #define IMAPS_PORT 993
49 #endif
50
51 static GList *session_list = NULL;
52
53 static gint imap_cmd_count = 0;
54
55 static IMAPSession *imap_session_get (Folder *folder);
56 static gchar *imap_query_password (const gchar *server,
57 const gchar *user);
58
59 static void imap_scan_tree_recursive (IMAPSession *session,
60 FolderItem *item,
61 IMAPNameSpace *namespace);
62 static GSList *imap_parse_list (IMAPSession *session,
63 const gchar *path);
64 static gint imap_create_trash (Folder *folder);
65
66 static gint imap_do_copy (Folder *folder,
67 FolderItem *dest,
68 MsgInfo *msginfo,
69 gboolean remove_source);
70 static gint imap_do_copy_msgs_with_dest (Folder *folder,
71 FolderItem *dest,
72 GSList *msglist,
73 gboolean remove_source);
74
75 static GSList *imap_get_uncached_messages (IMAPSession *session,
76 FolderItem *item,
77 guint32 first_uid,
78 guint32 last_uid);
79 static GSList *imap_delete_cached_messages (GSList *mlist,
80 FolderItem *item,
81 guint32 first_uid,
82 guint32 last_uid);
83 static void imap_delete_all_cached_messages (FolderItem *item);
84
85 #if !USE_SSL
86 static SockInfo *imap_open (const gchar *server,
87 gushort port,
88 gchar *buf);
89 #else
90 static SockInfo *imap_open (const gchar *server,
91 gushort port,
92 gchar *buf,
93 gboolean use_ssl);
94 #endif
95
96 static gint imap_set_message_flags (IMAPSession *session,
97 guint32 first_uid,
98 guint32 last_uid,
99 IMAPFlags flag,
100 gboolean is_set);
101 static gint imap_select (IMAPSession *session,
102 IMAPFolder *folder,
103 const gchar *path,
104 gint *exists,
105 gint *recent,
106 gint *unseen,
107 guint32 *uid_validity);
108 static gint imap_get_uid (IMAPSession *session,
109 gint msgnum,
110 guint32 *uid);
111 static gint imap_status (IMAPSession *session,
112 IMAPFolder *folder,
113 const gchar *path,
114 gint *messages,
115 gint *recent,
116 gint *unseen,
117 guint32 *uid_validity);
118
119 static void imap_parse_namespace (IMAPSession *session,
120 IMAPFolder *folder);
121 static IMAPNameSpace *imap_find_namespace (IMAPFolder *folder,
122 const gchar *path);
123 static gchar *imap_get_real_path (IMAPFolder *folder,
124 const gchar *path);
125
126 static gchar *imap_parse_atom (SockInfo *sock,
127 gchar *src,
128 gchar *dest,
129 gint dest_len,
130 GString *str);
131 static gchar *imap_parse_one_address (SockInfo *sock,
132 gchar *start,
133 gchar *out_from_str,
134 gchar *out_fromname_str,
135 GString *str);
136 static gchar *imap_parse_address (SockInfo *sock,
137 gchar *start,
138 gchar **out_from_str,
139 gchar **out_fromname_str,
140 GString *str);
141 static MsgFlags imap_parse_flags (const gchar *flag_str);
142 static MsgInfo *imap_parse_envelope (SockInfo *sock,
143 GString *line_str);
144
145 /* low-level IMAP4rev1 commands */
146 static gint imap_cmd_login (SockInfo *sock,
147 const gchar *user,
148 const gchar *pass);
149 static gint imap_cmd_logout (SockInfo *sock);
150 static gint imap_cmd_noop (SockInfo *sock);
151 static gint imap_cmd_namespace (SockInfo *sock,
152 gchar **ns_str);
153 static gint imap_cmd_list (SockInfo *sock,
154 const gchar *ref,
155 const gchar *mailbox,
156 GPtrArray *argbuf);
157 static gint imap_cmd_do_select (SockInfo *sock,
158 const gchar *folder,
159 gboolean examine,
160 gint *exists,
161 gint *recent,
162 gint *unseen,
163 guint32 *uid_validity);
164 static gint imap_cmd_select (SockInfo *sock,
165 const gchar *folder,
166 gint *exists,
167 gint *recent,
168 gint *unseen,
169 guint32 *uid_validity);
170 static gint imap_cmd_examine (SockInfo *sock,
171 const gchar *folder,
172 gint *exists,
173 gint *recent,
174 gint *unseen,
175 guint32 *uid_validity);
176 static gint imap_cmd_create (SockInfo *sock,
177 const gchar *folder);
178 static gint imap_cmd_delete (SockInfo *sock,
179 const gchar *folder);
180 static gint imap_cmd_envelope (SockInfo *sock,
181 guint32 first_uid,
182 guint32 last_uid);
183 #if 0
184 static gint imap_cmd_search (SockInfo *sock,
185 GSList *numlist);
186 #endif
187 static gint imap_cmd_fetch (SockInfo *sock,
188 guint32 uid,
189 const gchar *filename);
190 static gint imap_cmd_append (SockInfo *sock,
191 const gchar *destfolder,
192 const gchar *file);
193 static gint imap_cmd_copy (SockInfo *sock,
194 guint32 uid,
195 const gchar *destfolder);
196 static gint imap_cmd_store (SockInfo *sock,
197 guint32 first_uid,
198 guint32 last_uid,
199 gchar *sub_cmd);
200 static gint imap_cmd_expunge (SockInfo *sock);
201
202 static gint imap_cmd_ok (SockInfo *sock,
203 GPtrArray *argbuf);
204 static void imap_cmd_gen_send (SockInfo *sock,
205 const gchar *format, ...);
206 static gint imap_cmd_gen_recv (SockInfo *sock,
207 gchar *buf,
208 gint size);
209
210 /* misc utility functions */
211 static gchar *strchr_cpy (const gchar *src,
212 gchar ch,
213 gchar *dest,
214 gint len);
215 static gchar *get_quoted (const gchar *src,
216 gchar ch,
217 gchar *dest,
218 gint len);
219 static gchar *search_array_contain_str (GPtrArray *array,
220 gchar *str);
221 static void imap_path_separator_subst (gchar *str,
222 gchar separator);
223
224 static IMAPSession *imap_session_get(Folder *folder)
225 {
226 RemoteFolder *rfolder = REMOTE_FOLDER(folder);
227 gushort port;
228
229 g_return_val_if_fail(folder != NULL, NULL);
230 g_return_val_if_fail(folder->type == F_IMAP, NULL);
231 g_return_val_if_fail(folder->account != NULL, NULL);
232
233 #if !USE_SSL
234 port = folder->account->set_imapport ? folder->account->imapport
235 : IMAP4_PORT;
236 #else
237 port = folder->account->set_imapport ? folder->account->imapport
238 : (folder->account->ssl_imap ? IMAPS_PORT : IMAP4_PORT);
239 #endif
240
241 if (!rfolder->session) {
242 rfolder->session =
243 #if !USE_SSL
244 imap_session_new(folder->account->recv_server, port,
245 folder->account->userid,
246 folder->account->passwd);
247 #else
248 imap_session_new(folder->account->recv_server, port,
249 folder->account->userid,
250 folder->account->passwd,
251 folder->account->ssl_imap);
252 #endif
253 if (rfolder->session)
254 imap_parse_namespace(IMAP_SESSION(rfolder->session),
255 IMAP_FOLDER(folder));
256 statusbar_pop_all();
257 return IMAP_SESSION(rfolder->session);
258 }
259
260 if (imap_cmd_noop(rfolder->session->sock) != IMAP_SUCCESS) {
261 log_warning(_("IMAP4 connection to %s:%d has been"
262 " disconnected. Reconnecting...\n"),
263 folder->account->recv_server, port);
264 session_destroy(rfolder->session);
265 rfolder->session =
266 #if !USE_SSL
267 imap_session_new(folder->account->recv_server, port,
268 folder->account->userid,
269 folder->account->passwd);
270 #else
271 imap_session_new(folder->account->recv_server, port,
272 folder->account->userid,
273 folder->account->passwd,
274 folder->account->ssl_imap);
275 #endif
276 if (rfolder->session)
277 imap_parse_namespace(IMAP_SESSION(rfolder->session),
278 IMAP_FOLDER(folder));
279 }
280
281 statusbar_pop_all();
282 return IMAP_SESSION(rfolder->session);
283 }
284
285 static gchar *imap_query_password(const gchar *server, const gchar *user)
286 {
287 gchar *message;
288 gchar *pass;
289
290 message = g_strdup_printf(_("Input password for %s on %s:"),
291 user, server);
292 pass = input_dialog_with_invisible(_("Input password"), message, NULL);
293 g_free(message);
294
295 return pass;
296 }
297
298 #if !USE_SSL
299 Session *imap_session_new(const gchar *server, gushort port,
300 const gchar *user, const gchar *pass)
301 #else
302 Session *imap_session_new(const gchar *server, gushort port,
303 const gchar *user, const gchar *pass,
304 gboolean use_ssl)
305 #endif
306 {
307 gchar buf[IMAPBUFSIZE];
308 IMAPSession *session;
309 SockInfo *imap_sock;
310
311 g_return_val_if_fail(server != NULL, NULL);
312 g_return_val_if_fail(user != NULL, NULL);
313
314 if (!pass) {
315 gchar *tmp_pass;
316 tmp_pass = imap_query_password(server, user);
317 if (!tmp_pass)
318 return NULL;
319 Xstrdup_a(pass, tmp_pass, {g_free(tmp_pass); return NULL;});
320 g_free(tmp_pass);
321 }
322
323 log_message(_("creating IMAP4 connection to %s:%d ...\n"),
324 server, port);
325
326 #if !USE_SSL
327 if ((imap_sock = imap_open(server, port, buf)) == NULL)
328 #else
329 if ((imap_sock = imap_open(server, port, buf, use_ssl)) == NULL)
330 #endif
331 return NULL;
332 if (imap_cmd_login(imap_sock, user, pass) != IMAP_SUCCESS) {
333 imap_cmd_logout(imap_sock);
334 sock_close(imap_sock);
335 return NULL;
336 }
337
338 session = g_new(IMAPSession, 1);
339 SESSION(session)->type = SESSION_IMAP;
340 SESSION(session)->server = g_strdup(server);
341 SESSION(session)->sock = imap_sock;
342 SESSION(session)->connected = TRUE;
343 SESSION(session)->phase = SESSION_READY;
344 SESSION(session)->data = NULL;
345 session->mbox = NULL;
346
347 session_list = g_list_append(session_list, session);
348
349 return SESSION(session);
350 }
351
352 void imap_session_destroy(IMAPSession *session)
353 {
354 #if USE_SSL
355 ssl_done_socket(SESSION(session)->sock);
356 #endif
357 sock_close(SESSION(session)->sock);
358 SESSION(session)->sock = NULL;
359
360 g_free(session->mbox);
361
362 session_list = g_list_remove(session_list, session);
363 }
364
365 void imap_session_destroy_all(void)
366 {
367 while (session_list != NULL) {
368 IMAPSession *session = (IMAPSession *)session_list->data;
369
370 imap_cmd_logout(SESSION(session)->sock);
371 imap_session_destroy(session);
372 }
373 }
374
375 #define THROW goto catch
376
377 GSList *imap_get_msg_list(Folder *folder, FolderItem *item, gboolean use_cache)
378 {
379 GSList *mlist = NULL;
380 IMAPSession *session;
381 gint ok, exists = 0, recent = 0, unseen = 0;
382 guint32 uid_validity = 0;
383 guint32 first_uid = 0, last_uid = 0, begin;
384
385 g_return_val_if_fail(folder != NULL, NULL);
386 g_return_val_if_fail(item != NULL, NULL);
387 g_return_val_if_fail(folder->type == F_IMAP, NULL);
388 g_return_val_if_fail(folder->account != NULL, NULL);
389
390 session = imap_session_get(folder);
391
392 if (!session) {
393 mlist = procmsg_read_cache(item, FALSE);
394 item->last_num = procmsg_get_last_num_in_cache(mlist);
395 procmsg_set_flags(mlist, item);
396 statusbar_pop_all();
397 return mlist;
398 }
399
400 ok = imap_select(session, IMAP_FOLDER(folder), item->path,
401 &exists, &recent, &unseen, &uid_validity);
402 if (ok != IMAP_SUCCESS) THROW;
403 if (exists > 0) {
404 ok = imap_get_uid(session, 1, &first_uid);
405 if (ok != IMAP_SUCCESS) THROW;
406 if (1 != exists) {
407 ok = imap_get_uid(session, exists, &last_uid);
408 if (ok != IMAP_SUCCESS) THROW;
409 } else
410 last_uid = first_uid;
411 } else {
412 imap_delete_all_cached_messages(item);
413 statusbar_pop_all();
414 return NULL;
415 }
416
417 if (use_cache) {
418 guint32 cache_last;
419
420 mlist = procmsg_read_cache(item, FALSE);
421 procmsg_set_flags(mlist, item);
422 cache_last = procmsg_get_last_num_in_cache(mlist);
423
424 /* calculating the range of envelope to get */
425 if (item->mtime != uid_validity) {
426 /* mailbox is changed (get all) */
427 begin = first_uid;
428 } else if (last_uid < cache_last) {
429 /* mailbox is changed (get all) */
430 begin = first_uid;
431 } else if (last_uid == cache_last) {
432 /* mailbox unchanged (get none)*/
433 begin = 0;
434 } else {
435 begin = cache_last + 1;
436 }
437
438 item->mtime = uid_validity;
439
440 if (first_uid > 0 && last_uid > 0) {
441 mlist = imap_delete_cached_messages(mlist, item,
442 0, first_uid - 1);
443 mlist = imap_delete_cached_messages(mlist, item,
444 last_uid + 1,
445 UINT_MAX);
446 }
447 if (begin > 0)
448 mlist = imap_delete_cached_messages(mlist, item,
449 begin, UINT_MAX);
450 } else {
451 imap_delete_all_cached_messages(item);
452 begin = first_uid;
453 }
454
455 if (begin > 0 && begin <= last_uid) {
456 GSList *newlist;
457 newlist = imap_get_uncached_messages(session, item,
458 begin, last_uid);
459 mlist = g_slist_concat(mlist, newlist);
460 }
461
462 item->last_num = last_uid;
463
464 catch:
465 statusbar_pop_all();
466 return mlist;
467 }
468
469 #undef THROW
470
471 gchar *imap_fetch_msg(Folder *folder, FolderItem *item, gint uid)
472 {
473 gchar *path, *filename;
474 IMAPSession *session;
475 gint ok;
476
477 g_return_val_if_fail(folder != NULL, NULL);
478 g_return_val_if_fail(item != NULL, NULL);
479
480 path = folder_item_get_path(item);
481 if (!is_dir_exist(path))
482 make_dir_hier(path);
483 filename = g_strconcat(path, G_DIR_SEPARATOR_S, itos(uid), NULL);
484 g_free(path);
485
486 if (is_file_exist(filename)) {
487 debug_print(_("message %d has been already cached.\n"), uid);
488 return filename;
489 }
490
491 session = imap_session_get(folder);
492 if (!session) {
493 g_free(filename);
494 return NULL;
495 }
496
497 debug_print(_("getting message %d...\n"), uid);
498 ok = imap_cmd_fetch(SESSION(session)->sock, (guint32)uid, filename);
499
500 statusbar_pop_all();
501
502 if (ok != IMAP_SUCCESS) {
503 g_warning(_("can't fetch message %d\n"), uid);
504 g_free(filename);
505 return NULL;
506 }
507
508 return filename;
509 }
510
511 gint imap_add_msg(Folder *folder, FolderItem *dest, const gchar *file,
512 gboolean remove_source)
513 {
514 IMAPSession *session;
515 gint ok;
516
517 g_return_val_if_fail(folder != NULL, -1);
518 g_return_val_if_fail(dest != NULL, -1);
519 g_return_val_if_fail(file != NULL, -1);
520
521 session = imap_session_get(folder);
522 if (!session)
523 return -1;
524
525 ok = imap_cmd_append(SESSION(session)->sock, dest->path, file);
526 if (ok != IMAP_SUCCESS) {
527 g_warning(_("can't append message %s\n"), file);
528 return -1;
529 }
530
531 if (remove_source) {
532 if (unlink(file) < 0)
533 FILE_OP_ERROR(file, "unlink");
534 }
535
536 return dest->last_num;
537 }
538
539 static gint imap_do_copy(Folder *folder, FolderItem *dest, MsgInfo *msginfo,
540 gboolean remove_source)
541 {
542 gchar *destdir;
543 IMAPSession *session;
544 gint ok;
545
546 g_return_val_if_fail(folder != NULL, -1);
547 g_return_val_if_fail(folder->type == F_IMAP, -1);
548 g_return_val_if_fail(dest != NULL, -1);
549 g_return_val_if_fail(msginfo != NULL, -1);
550
551 session = imap_session_get(folder);
552 if (!session) return -1;
553
554 if (msginfo->folder == dest) {
555 g_warning(_("the src folder is identical to the dest.\n"));
556 return -1;
557 }
558
559 destdir = imap_get_real_path(IMAP_FOLDER(folder), dest->path);
560
561 if (remove_source)
562 debug_print(_("Moving message %s%c%d to %s ...\n"),
563 msginfo->folder->path, G_DIR_SEPARATOR,
564 msginfo->msgnum, destdir);
565 else
566 debug_print(_("Copying message %s%c%d to %s ...\n"),
567 msginfo->folder->path, G_DIR_SEPARATOR,
568 msginfo->msgnum, destdir);
569
570 ok = imap_cmd_copy(SESSION(session)->sock, msginfo->msgnum, destdir);
571
572 if (ok == IMAP_SUCCESS && remove_source) {
573 imap_set_message_flags(session, msginfo->msgnum, msginfo->msgnum,
574 IMAP_FLAG_DELETED, TRUE);
575 ok = imap_cmd_expunge(SESSION(session)->sock);
576 }
577
578 g_free(destdir);
579 statusbar_pop_all();
580
581 return ok;
582 }
583
584 static gint imap_do_copy_msgs_with_dest(Folder *folder, FolderItem *dest,
585 GSList *msglist,
586 gboolean remove_source)
587 {
588 gchar *destdir;
589 GSList *cur;
590 MsgInfo *msginfo;
591 IMAPSession *session;
592 gint ok;
593
594 g_return_val_if_fail(folder != NULL, -1);
595 g_return_val_if_fail(dest != NULL, -1);
596 g_return_val_if_fail(msglist != NULL, -1);
597
598 session = imap_session_get(folder);
599 if (!session) return -1;
600
601 destdir = imap_get_real_path(IMAP_FOLDER(folder), dest->path);
602
603 for (cur = msglist; cur != NULL; cur = cur->next) {
604 msginfo = (MsgInfo *)cur->data;
605
606 if (msginfo->folder == dest) {
607 g_warning(_("the src folder is identical to the dest.\n"));
608 continue;
609 }
610
611 if (remove_source)
612 debug_print(_("Moving message %s%c%d to %s ...\n"),
613 msginfo->folder->path, G_DIR_SEPARATOR,
614 msginfo->msgnum, destdir);
615 else
616 debug_print(_("Copying message %s%c%d to %s ...\n"),
617 msginfo->folder->path, G_DIR_SEPARATOR,
618 msginfo->msgnum, destdir);
619
620 ok = imap_cmd_copy(SESSION(session)->sock, msginfo->msgnum,
621 destdir);
622
623 if (ok == IMAP_SUCCESS && remove_source) {
624 imap_set_message_flags
625 (session, msginfo->msgnum, msginfo->msgnum,
626 IMAP_FLAG_DELETED, TRUE);
627 }
628 }
629
630 if (remove_source)
631 ok = imap_cmd_expunge(SESSION(session)->sock);
632
633 g_free(destdir);
634 statusbar_pop_all();
635
636 return IMAP_SUCCESS;
637 }
638
639 gint imap_move_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
640 {
641 return imap_do_copy(folder, dest, msginfo, TRUE);
642 }
643
644 gint imap_move_msgs_with_dest(Folder *folder, FolderItem *dest,
645 GSList *msglist)
646 {
647 return imap_do_copy_msgs_with_dest(folder, dest, msglist, TRUE);
648 }
649
650 gint imap_copy_msg(Folder *folder, FolderItem *dest, MsgInfo *msginfo)
651 {
652 return imap_do_copy(folder, dest, msginfo, FALSE);
653 }
654
655 gint imap_copy_msgs_with_dest(Folder *folder, FolderItem *dest,
656 GSList *msglist)
657 {
658 return imap_do_copy_msgs_with_dest(folder, dest, msglist, FALSE);
659 }
660
661 gint imap_remove_msg(Folder *folder, FolderItem *item, gint uid)
662 {
663 gint exists, recent, unseen;
664 guint32 uid_validity;
665 gint ok;
666 IMAPSession *session;
667
668 g_return_val_if_fail(folder != NULL, -1);
669 g_return_val_if_fail(folder->type == F_IMAP, -1);
670 g_return_val_if_fail(item != NULL, -1);
671
672 session = imap_session_get(folder);
673 if (!session) return -1;
674
675 ok = imap_select(session, IMAP_FOLDER(folder), item->path,
676 &exists, &recent, &unseen, &uid_validity);
677 statusbar_pop_all();
678 if (ok != IMAP_SUCCESS)
679 return ok;
680
681 ok = imap_set_message_flags
682 (IMAP_SESSION(REMOTE_FOLDER(folder)->session),
683 (guint32)uid, (guint32)uid, IMAP_FLAG_DELETED, TRUE);
684 statusbar_pop_all();
685 if (ok != IMAP_SUCCESS) {
686 log_warning(_("can't set deleted flags: %d\n"), uid);
687 return ok;
688 }
689
690 ok = imap_cmd_expunge(SESSION(session)->sock);
691 statusbar_pop_all();
692 if (ok != IMAP_SUCCESS) {
693 log_warning(_("can't expunge\n"));
694 return ok;
695 }
696
697 return IMAP_SUCCESS;
698 }
699
700 gint imap_remove_all_msg(Folder *folder, FolderItem *item)
701 {
702 gint exists, recent, unseen;
703 guint32 uid_validity;
704 gint ok;
705 IMAPSession *session;
706
707 g_return_val_if_fail(folder != NULL, -1);
708 g_return_val_if_fail(item != NULL, -1);
709
710 session = imap_session_get(folder);
711 if (!session) return -1;
712
713 ok = imap_select(session, IMAP_FOLDER(folder), item->path,
714 &exists, &recent, &unseen, &uid_validity);
715 statusbar_pop_all();
716 if (ok != IMAP_SUCCESS)
717 return ok;
718 if (exists == 0)
719 return IMAP_SUCCESS;
720
721 imap_cmd_gen_send(SESSION(session)->sock,
722 "STORE 1:%d +FLAGS (\\Deleted)", exists);
723 ok = imap_cmd_ok(SESSION(session)->sock, NULL);
724 statusbar_pop_all();
725 if (ok != IMAP_SUCCESS) {
726 log_warning(_("can't set deleted flags: 1:%d\n"), exists);
727 return ok;
728 }
729
730 ok = imap_cmd_expunge(SESSION(session)->sock);
731 statusbar_pop_all();
732 if (ok != IMAP_SUCCESS) {
733 log_warning(_("can't expunge\n"));
734 return ok;
735 }
736
737 return IMAP_SUCCESS;
738 }
739
740 void imap_scan_folder(Folder *folder, FolderItem *item)
741 {
742 IMAPSession *session;
743 gint messages, recent, unseen;
744 guint32 uid_validity;
745 gint ok;
746
747 g_return_if_fail(folder != NULL);
748 g_return_if_fail(item != NULL);
749
750 session = imap_session_get(folder);
751 if (!session) return;
752
753 ok = imap_status(session, IMAP_FOLDER(folder), item->path,
754 &messages, &recent, &unseen, &uid_validity);
755 statusbar_pop_all();
756 if (ok != IMAP_SUCCESS) return;
757
758 item->new = recent;
759 item->unread = unseen;
760 item->total = messages;
761 /* item->mtime = uid_validity; */
762 }
763
764 void imap_scan_tree(Folder *folder)
765 {
766 IMAPFolder *imapfolder = IMAP_FOLDER(folder);
767 FolderItem *item, *inbox;
768 IMAPSession *session;
769 IMAPNameSpace *namespace = NULL;
770 gchar *root_folder = NULL;
771
772 g_return_if_fail(folder != NULL);
773 g_return_if_fail(folder->account != NULL);
774
775 session = imap_session_get(folder);
776 if (!session) return;
777
778 if (imapfolder->namespace && imapfolder->namespace->data)
779 namespace = (IMAPNameSpace *)imapfolder->namespace->data;
780
781 if (folder->account->imap_dir && *folder->account->imap_dir) {
782 gchar *imap_dir;
783 Xstrdup_a(imap_dir, folder->account->imap_dir, return);
784 strtailchomp(imap_dir, '/');
785 root_folder = g_strconcat
786 (namespace && namespace->name ? namespace->name : "",
787 imap_dir, NULL);
788 if (namespace && namespace->separator)
789 subst_char(root_folder, namespace->separator, '/');
790 }
791
792 if (root_folder)
793 debug_print("IMAP root directory: %s\n", root_folder);
794
795 folder_tree_destroy(folder);
796 item = folder_item_new(folder->name, root_folder);
797 item->folder = folder;
798 folder->node = g_node_new(item);
799 g_free(root_folder);
800
801 imap_scan_tree_recursive(session, item, namespace);
802
803 if (!folder->inbox) {
804 inbox = folder_item_new("INBOX", "INBOX");
805 inbox->stype = F_INBOX;
806 folder_item_append(item, inbox);
807 folder->inbox = inbox;
808 }
809 if (!folder->trash)
810 imap_create_trash(folder);
811 }
812
813 static void imap_scan_tree_recursive(IMAPSession *session,
814 FolderItem *item,
815 IMAPNameSpace *namespace)
816 {
817 IMAPFolder *imapfolder;
818 FolderItem *new_item;
819 GSList *item_list, *cur;
820 gchar *real_path;
821
822 g_return_if_fail(item != NULL);
823 g_return_if_fail(item->folder != NULL);
824 g_return_if_fail(item->no_sub == FALSE);
825
826 imapfolder = IMAP_FOLDER(item->folder);
827
828 if (item->folder->ui_func)
829 item->folder->ui_func(item->folder, item,
830 item->folder->ui_func_data);
831
832 if (item->path) {
833 real_path = imap_get_real_path(imapfolder, item->path);
834 imap_cmd_gen_send(SESSION(session)->sock, "LIST \"\" %s%c%%",
835 real_path,
836 namespace && namespace->separator
837 ? namespace->separator : '/');
838 } else {
839 real_path = g_strdup(namespace && namespace->name
840 ? namespace->name : "");
841 imap_cmd_gen_send(SESSION(session)->sock, "LIST \"\" %s%%",
842 real_path);
843 }
844
845 strtailchomp(real_path, namespace && namespace->separator
846 ? namespace->separator : '/');
847
848 item_list = imap_parse_list(session, real_path);
849 for (cur = item_list; cur != NULL; cur = cur->next) {
850 new_item = cur->data;
851 if (!strcmp(new_item->path, "INBOX")) {
852 if (!item->folder->inbox) {
853 new_item->stype = F_INBOX;
854 item->folder->inbox = new_item;
855 } else {
856 folder_item_destroy(new_item);
857 continue;
858 }
859 } else if (!item->parent && !item->folder->trash) {
860 if (!strcasecmp(g_basename(new_item->path), "Trash")) {
861 new_item->stype = F_TRASH;
862 item->folder->trash = new_item;
863 }
864 }
865 folder_item_append(item, new_item);
866 if (new_item->no_select == FALSE)
867 imap_scan_folder(new_item->folder, new_item);
868 if (new_item->no_sub == FALSE)
869 imap_scan_tree_recursive(session, new_item, namespace);
870 }
871 }
872
873 static GSList *imap_parse_list(IMAPSession *session, const gchar *path)
874 {
875 gchar buf[IMAPBUFSIZE];
876 gchar flags[256];
877 gchar separator[16];
878 gchar *p;
879 gchar *name;
880 GSList *item_list = NULL;
881 GString *str;
882 FolderItem *new_item;
883
884 debug_print("getting list of %s ...\n", *path ? path : "\"\"");
885
886 str = g_string_new(NULL);
887
888 for (;;) {
889 if (sock_gets(SESSION(session)->sock, buf, sizeof(buf)) <= 0) {
890 log_warning(_("error occured while getting LIST.\n"));
891 break;
892 }
893 strretchomp(buf);
894 if (buf[0] != '*' || buf[1] != ' ') {
895 log_print("IMAP4< %s\n", buf);
896 break;
897 }
898 debug_print("IMAP4< %s\n", buf);
899
900 g_string_assign(str, buf);
901 p = str->str + 2;
902 if (strncmp(p, "LIST ", 5) != 0) continue;
903 p += 5;
904
905 if (*p != '(') continue;
906 p++;
907 p = strchr_cpy(p, ')', flags, sizeof(flags));
908 if (!p) continue;
909 while (*p == ' ') p++;
910
911 p = strchr_cpy(p, ' ', separator, sizeof(separator));
912 if (!p) continue;
913 extract_quote(separator, '"');
914 if (!strcmp(separator, "NIL"))
915 separator[0] = '\0';
916
917 buf[0] = '\0';
918 while (*p == ' ') p++;
919 if (*p == '{' || *p == '"')
920 p = imap_parse_atom(SESSION(session)->sock, p,
921 buf, sizeof(buf), str);
922 else
923 strncpy2(buf, p, sizeof(buf));
924 strtailchomp(buf, separator[0]);
925 if (buf[0] == '\0') continue;
926 if (!strcmp(buf, path)) continue;
927
928 if (separator[0] != '\0')
929 subst_char(buf, separator[0], '/');
930 name = g_basename(buf);
931 if (name[0] == '.') continue;
932
933 new_item = folder_item_new(name, buf);
934 if (strcasestr(flags, "\\Noinferiors") != NULL)
935 new_item->no_sub = TRUE;
936 if (strcasestr(flags, "\\Noselect") != NULL)
937 new_item->no_select = TRUE;
938
939 item_list = g_slist_append(item_list, new_item);
940
941 debug_print("folder %s has been added.\n", buf);
942 }
943
944 g_string_free(str, TRUE);
945 statusbar_pop_all();
946
947 return item_list;
948 }
949
950 gint imap_create_tree(Folder *folder)
951 {
952 FolderItem *item;
953
954 g_return_val_if_fail(folder != NULL, -1);
955 g_return_val_if_fail(folder->node != NULL, -1);
956 g_return_val_if_fail(folder->node->data != NULL, -1);
957 g_return_val_if_fail(folder->account != NULL, -1);
958
959 imap_scan_tree(folder);
960
961 item = FOLDER_ITEM(folder->node->data);
962
963 if (!folder->inbox) {
964 FolderItem *inbox;
965
966 inbox = folder_item_new("INBOX", "INBOX");
967 inbox->stype = F_INBOX;
968 folder_item_append(item, inbox);
969 folder->inbox = inbox;
970 }
971 if (!folder->trash)
972 imap_create_trash(folder);
973
974 return 0;
975 }
976
977 static gint imap_create_trash(Folder *folder)
978 {
979 IMAPFolder *imapfolder = IMAP_FOLDER(folder);
980 FolderItem *item;
981 FolderItem *new_item;
982 gchar *trash_path;
983 gchar *imap_dir = "";
984
985 g_return_val_if_fail(folder != NULL, -1);
986 g_return_val_if_fail(folder->node != NULL, -1);
987 g_return_val_if_fail(folder->node->data != NULL, -1);
988 g_return_val_if_fail(folder->account != NULL, -1);
989
990 if (folder->account->imap_dir && *folder->account->imap_dir) {
991 gchar *tmpdir;
992
993 Xstrdup_a(tmpdir, folder->account->imap_dir, return -1);
994 strtailchomp(tmpdir, '/');
995 Xalloca(imap_dir, strlen(tmpdir) + 2, return -1);
996 g_snprintf(imap_dir, strlen(tmpdir) + 2, "%s%c", tmpdir, '/');
997 }
998
999 if (imapfolder->namespace && imapfolder->namespace->data) {
1000 IMAPNameSpace *namespace =
1001 (IMAPNameSpace *)imapfolder->namespace->data;
1002
1003 if (*namespace->name != '\0') {
1004 gchar *name;
1005
1006 Xstrdup_a(name, namespace->name, return -1);
1007 subst_char(name, namespace->separator, '/');
1008 trash_path = g_strconcat(name, imap_dir, "Trash", NULL);
1009 } else
1010 trash_path = g_strconcat(imap_dir, "Trash", NULL);
1011 } else
1012 trash_path = g_strconcat(imap_dir, "Trash", NULL);
1013
1014 item = FOLDER_ITEM(folder->node->data);
1015 new_item = imap_create_folder(folder, item, trash_path);
1016
1017 if (!new_item) {
1018 gchar *path;
1019
1020 new_item = folder_item_new("Trash", trash_path);
1021 folder_item_append(item, new_item);
1022
1023 path = folder_item_get_path(new_item);
1024 if (!is_dir_exist(path))
1025 make_dir_hier(path);
1026 g_free(path);
1027 } else {
1028 g_free(new_item->name);
1029 new_item->name = g_strdup("Trash");
1030 }
1031 new_item->stype = F_TRASH;
1032 folder->trash = new_item;
1033
1034 g_free(trash_path);
1035
1036 return 0;
1037 }
1038
1039 FolderItem *imap_create_folder(Folder *folder, FolderItem *parent,
1040 const gchar *name)
1041 {
1042 gchar *dirpath, *imappath;
1043 IMAPSession *session;
1044 IMAPNameSpace *namespace;
1045 FolderItem *new_item;
1046 gchar *new_name;
1047 const gchar *p;
1048 gint ok;
1049
1050 g_return_val_if_fail(folder != NULL, NULL);
1051 g_return_val_if_fail(folder->account != NULL, NULL);
1052 g_return_val_if_fail(parent != NULL, NULL);
1053 g_return_val_if_fail(name != NULL, NULL);
1054
1055 session = imap_session_get(folder);
1056 if (!session) return NULL;
1057
1058 if (parent->path)
1059 dirpath = g_strconcat(parent->path, "/", name, NULL);
1060 else if ((p = strchr(name, '/')) != NULL && *(p + 1) != '\0')
1061 dirpath = g_strdup(name);
1062 else if (folder->account->imap_dir && *folder->account->imap_dir) {
1063 gchar *imap_dir;
1064
1065 Xstrdup_a(imap_dir, folder->account->imap_dir, return NULL);
1066 strtailchomp(imap_dir, '/');
1067 dirpath = g_strconcat(imap_dir, "/", name, NULL);
1068 } else
1069 dirpath = g_strdup(name);
1070
1071 Xstrdup_a(imappath, dirpath, {g_free(dirpath); return NULL;});
1072 Xstrdup_a(new_name, name, {g_free(dirpath); return NULL;});
1073 namespace = imap_find_namespace(IMAP_FOLDER(folder), imappath);
1074 if (namespace && namespace->separator) {
1075 imap_path_separator_subst(imappath, namespace->separator);
1076 imap_path_separator_subst(new_name, namespace->separator);
1077 strtailchomp(new_name, namespace->separator);
1078 }
1079 strtailchomp(dirpath, '/');
1080
1081 if (strcmp(name, "INBOX") != 0) {
1082 GPtrArray *argbuf;
1083 gint i;
1084 gboolean exist = FALSE;
1085
1086 argbuf = g_ptr_array_new();
1087 ok = imap_cmd_list(SESSION(session)->sock, NULL, imappath,
1088 argbuf);
1089 statusbar_pop_all();
1090 if (ok != IMAP_SUCCESS) {
1091 log_warning(_("can't create mailbox: LIST failed\n"));
1092 g_free(dirpath);
1093 g_ptr_array_free(argbuf, TRUE);
1094 return NULL;
1095 }
1096
1097 for (i = 0; i < argbuf->len; i++) {
1098 gchar *str;
1099 str = g_ptr_array_index(argbuf, i);
1100 if (!strncmp(str, "LIST ", 5)) {
1101 exist = TRUE;
1102 break;
1103 }
1104 }
1105 g_ptr_array_free(argbuf, TRUE);
1106
1107 if (!exist) {
1108 ok = imap_cmd_create(SESSION(session)->sock, imappath);
1109 statusbar_pop_all();
1110 if (ok != IMAP_SUCCESS) {
1111 log_warning(_("can't create mailbox\n"));
1112 g_free(dirpath);
1113 return NULL;
1114 }
1115 }
1116 }
1117
1118 new_item = folder_item_new(new_name, dirpath);
1119 folder_item_append(parent, new_item);
1120 g_free(dirpath);
1121
1122 dirpath = folder_item_get_path(new_item);
1123 if (!is_dir_exist(dirpath))
1124 make_dir_hier(dirpath);
1125 g_free(dirpath);
1126
1127 return new_item;
1128 }
1129
1130 gint imap_remove_folder(Folder *folder, FolderItem *item)
1131 {
1132 gint ok;
1133 IMAPSession *session;
1134 gchar *path;
1135 gint exists, recent, unseen;
1136 guint32 uid_validity;
1137
1138 g_return_val_if_fail(folder != NULL, -1);
1139 g_return_val_if_fail(item != NULL, -1);
1140 g_return_val_if_fail(item->path != NULL, -1);
1141
1142 session = imap_session_get(folder);
1143 if (!session) return -1;
1144
1145 path = imap_get_real_path(IMAP_FOLDER(folder), item->path);
1146
1147 ok = imap_cmd_examine(SESSION(session)->sock, "INBOX",
1148 &exists, &recent, &unseen, &uid_validity);
1149 statusbar_pop_all();
1150 if (ok != IMAP_SUCCESS) {
1151 g_free(path);
1152 return -1;
1153 }
1154
1155 ok = imap_cmd_delete(SESSION(session)->sock, path);
1156 statusbar_pop_all();
1157 if (ok != IMAP_SUCCESS) {
1158 log_warning(_("can't delete mailbox\n"));
1159 g_free(path);
1160 return -1;
1161 }
1162
1163 g_free(path);
1164 folder_item_remove(item);
1165
1166 return 0;
1167 }
1168
1169 static GSList *imap_get_uncached_messages(IMAPSession *session,
1170 FolderItem *item,
1171 guint32 first_uid, guint32 last_uid)
1172 {
1173 gchar *tmp;
1174 GSList *newlist = NULL;
1175 GSList *llast = NULL;
1176 GString *str;
1177 MsgInfo *msginfo;
1178
1179 g_return_val_if_fail(session != NULL, NULL);
1180 g_return_val_if_fail(item != NULL, NULL);
1181 g_return_val_if_fail(item->folder != NULL, NULL);
1182 g_return_val_if_fail(item->folder->type == F_IMAP, NULL);
1183 g_return_val_if_fail(first_uid <= last_uid, NULL);
1184
1185 if (imap_cmd_envelope(SESSION(session)->sock, first_uid, last_uid)
1186 != IMAP_SUCCESS) {
1187 log_warning(_("can't get envelope\n"));
1188 return NULL;
1189 }
1190
1191 str = g_string_new(NULL);
1192
1193 for (;;) {
1194 if ((tmp = sock_getline(SESSION(session)->sock)) == NULL) {
1195 log_warning(_("error occurred while getting envelope.\n"));
1196 g_string_free(str, TRUE);
1197 return newlist;
1198 }
1199 strretchomp(tmp);
1200 log_print("IMAP4< %s\n", tmp);
1201 if (tmp[0] != '*' || tmp[1] != ' ') {
1202 g_free(tmp);
1203 break;
1204 }
1205 g_string_assign(str, tmp);
1206 g_free(tmp);
1207
1208 msginfo = imap_parse_envelope(SESSION(session)->sock, str);
1209 if (!msginfo) {
1210 log_warning(_("can't parse envelope: %s\n"), str->str);
1211 continue;
1212 }
1213
1214 msginfo->folder = item;
1215
1216 if (!newlist)
1217 llast = newlist = g_slist_append(newlist, msginfo);
1218 else {
1219 llast = g_slist_append(llast, msginfo);
1220 llast = llast->next;
1221 }
1222 }
1223
1224 g_string_free(str, TRUE);
1225
1226 return newlist;
1227 }
1228
1229 static GSList *imap_delete_cached_messages(GSList *mlist, FolderItem *item,
1230 guint32 first_uid, guint32 last_uid)
1231 {
1232 GSList *cur, *next;
1233 MsgInfo *msginfo;
1234 gchar *dir;
1235
1236 g_return_val_if_fail(item != NULL, mlist);
1237 g_return_val_if_fail(item->folder != NULL, mlist);
1238 g_return_val_if_fail(item->folder->type == F_IMAP, mlist);
1239
1240 debug_print(_("Deleting cached messages %d - %d ... "),
1241 first_uid, last_uid);
1242
1243 dir = folder_item_get_path(item);
1244 remove_numbered_files(dir, first_uid, last_uid);
1245 g_free(dir);
1246
1247 for (cur = mlist; cur != NULL; ) {
1248 next = cur->next;
1249
1250 msginfo = (MsgInfo *)cur->data;
1251 if (msginfo != NULL && first_uid <= msginfo->msgnum &&
1252 msginfo->msgnum <= last_uid) {
1253 procmsg_msginfo_free(msginfo);
1254 mlist = g_slist_remove(mlist, msginfo);
1255 }
1256
1257 cur = next;
1258 }
1259
1260 debug_print(_("done.\n"));
1261
1262 return mlist;
1263 }
1264
1265 static void imap_delete_all_cached_messages(FolderItem *item)
1266 {
1267 gchar *dir;
1268
1269 g_return_if_fail(item != NULL);
1270 g_return_if_fail(item->folder != NULL);
1271 g_return_if_fail(item->folder->type == F_IMAP);
1272
1273 debug_print(_("Deleting all cached messages... "));
1274
1275 dir = folder_item_get_path(item);
1276 remove_all_numbered_files(dir);
1277 g_free(dir);
1278
1279 debug_print(_("done.\n"));
1280 }
1281
1282 #if !USE_SSL
1283 static SockInfo *imap_open(const gchar *server, gushort port, gchar *buf)
1284 #else
1285 static SockInfo *imap_open(const gchar *server, gushort port, gchar *buf, gboolean use_ssl)
1286 #endif
1287 {
1288 SockInfo *sock;
1289
1290 if ((sock = sock_connect(server, port)) == NULL) {
1291 log_warning(_("Can't connect to IMAP4 server: %s:%d\n"),
1292 server, port);
1293 return NULL;
1294 }
1295
1296 #if USE_SSL
1297 if(use_ssl && !ssl_init_socket(sock)) {
1298 sock_close(sock);
1299 return NULL;
1300 }
1301 #endif
1302
1303 imap_cmd_count = 0;
1304
1305 if (imap_cmd_noop(sock) != IMAP_SUCCESS) {
1306 sock_close(sock);
1307 return NULL;
1308 }
1309
1310 return sock;
1311 }
1312
1313 #define THROW goto catch
1314
1315 static void imap_parse_namespace(IMAPSession *session, IMAPFolder *folder)
1316 {
1317 gchar *ns_str;
1318 gchar *name;
1319 gchar *separator;
1320 gchar *p;
1321 IMAPNameSpace *namespace;
1322 GList *ns_list = NULL;
1323
1324 g_return_if_fail(session != NULL);
1325 g_return_if_fail(folder != NULL);
1326
1327 if (folder->namespace != NULL) return;
1328
1329 if (imap_cmd_namespace(SESSION(session)->sock, &ns_str)
1330 != IMAP_SUCCESS) {
1331 log_warning(_("can't get namespace\n"));
1332 return;
1333 }
1334
1335 /* get the first element */
1336 extract_one_parenthesis_with_skip_quote(ns_str, '"', '(', ')');
1337 g_strstrip(ns_str);
1338 p = ns_str;
1339
1340 while (*p != '\0') {
1341 /* parse ("#foo" "/") */
1342
1343 while (*p && *p != '(') p++;
1344 if (*p == '\0') THROW;
1345 p++;
1346
1347 while (*p && *p != '"') p++;
1348 if (*p == '\0') THROW;
1349 p++;
1350 name = p;
1351
1352 while (*p && *p != '"') p++;
1353 if (*p == '\0') THROW;
1354 *p = '\0';
1355 p++;
1356
1357 while (*p && isspace(*p)) p++;
1358 if (*p == '\0') THROW;
1359 if (strncmp(p, "NIL", 3) == 0)
1360 separator = NULL;
1361 else if (*p == '"') {
1362 p++;
1363 separator = p;
1364 while (*p && *p != '"') p++;
1365 if (*p == '\0') THROW;
1366 *p = '\0';
1367 p++;
1368 } else THROW;
1369
1370 while (*p && *p != ')') p++;
1371 if (*p == '\0') THROW;
1372 p++;
1373
1374 namespace = g_new(IMAPNameSpace, 1);
1375 namespace->name = g_strdup(name);
1376 namespace->separator = separator ? separator[0] : '\0';
1377 ns_list = g_list_append(ns_list, namespace);
1378 IMAP_FOLDER(folder)->namespace = ns_list;
1379 }
1380
1381 catch:
1382 g_free(ns_str);
1383 return;
1384 }
1385
1386 #undef THROW
1387
1388 static IMAPNameSpace *imap_find_namespace(IMAPFolder *folder,
1389 const gchar *path)
1390 {
1391 IMAPNameSpace *namespace = NULL;
1392 GList *ns_list;
1393 gchar *name;
1394
1395 g_return_val_if_fail(folder != NULL, NULL);
1396 g_return_val_if_fail(path != NULL, NULL);
1397
1398 ns_list = folder->namespace;
1399
1400 for (; ns_list != NULL; ns_list = ns_list->next) {
1401 IMAPNameSpace *tmp_ns = ns_list->data;
1402
1403 Xstrdup_a(name, tmp_ns->name, return namespace);
1404 if (tmp_ns->separator && tmp_ns->separator != '/')
1405 subst_char(name, tmp_ns->separator, '/');
1406 if (strncmp(path, name, strlen(name)) == 0)
1407 namespace = tmp_ns;
1408 }
1409
1410 return namespace;
1411 }
1412
1413 static gchar *imap_get_real_path(IMAPFolder *folder, const gchar *path)
1414 {
1415 gchar *real_path;
1416 IMAPNameSpace *namespace;
1417
1418 g_return_val_if_fail(folder != NULL, NULL);
1419 g_return_val_if_fail(path != NULL, NULL);
1420
1421 real_path = g_strdup(path);
1422 namespace = imap_find_namespace(folder, path);
1423 if (namespace && namespace->separator)
1424 imap_path_separator_subst(real_path, namespace->separator);
1425
1426 return real_path;
1427 }
1428
1429 static gchar *imap_parse_atom(SockInfo *sock, gchar *src,
1430 gchar *dest, gint dest_len, GString *str)
1431 {
1432 gchar *cur_pos = src;
1433
1434 g_return_val_if_fail(str != NULL, cur_pos);
1435
1436 while (*cur_pos == ' ') cur_pos++;
1437
1438 if (!strncmp(cur_pos, "NIL", 3)) {
1439 *dest = '\0';
1440 cur_pos += 3;
1441 } else if (*cur_pos == '\"') {
1442 gchar *p;
1443
1444 p = get_quoted(cur_pos, '\"', dest, dest_len);
1445 cur_pos = p ? p : cur_pos + 2;
1446 } else if (*cur_pos == '{') {
1447 gchar buf[32];
1448 gint len;
1449 gchar *nextline;
1450
1451 cur_pos = strchr_cpy(cur_pos + 1, '}', buf, sizeof(buf));
1452 len = atoi(buf);
1453
1454 if ((nextline = sock_getline(sock)) == NULL)
1455 return cur_pos;
1456 strretchomp(nextline);
1457 log_print("IMAP4< %s\n", nextline);
1458 g_string_assign(str, nextline);
1459
1460 len = MIN(len, strlen(nextline));
1461 memcpy(dest, nextline, MIN(len, dest_len - 1));
1462 dest[MIN(len, dest_len - 1)] = '\0';
1463 cur_pos = str->str + len;
1464 }
1465
1466 return cur_pos;
1467 }
1468
1469 static gchar *imap_parse_one_address(SockInfo *sock, gchar *start,
1470 gchar *out_from_str,
1471 gchar *out_fromname_str,
1472 GString *str)
1473 {
1474 gchar buf[IMAPBUFSIZE];
1475 gchar *userid;
1476 gchar *domain;
1477 gchar *cur_pos = start;
1478
1479 cur_pos = imap_parse_atom(sock, cur_pos, buf, sizeof(buf), str);
1480 conv_unmime_header(out_fromname_str, IMAPBUFSIZE, buf, NULL);
1481
1482 cur_pos = imap_parse_atom(sock, cur_pos, buf, sizeof(buf), str);
1483
1484 cur_pos = imap_parse_atom(sock, cur_pos, buf, sizeof(buf), str);
1485 Xstrdup_a(userid, buf, return cur_pos + 1);
1486
1487 cur_pos = imap_parse_atom(sock, cur_pos, buf, sizeof(buf), str);
1488 Xstrdup_a(domain, buf, return cur_pos + 1);
1489
1490 if (out_fromname_str[0] != '\0') {
1491 g_snprintf(out_from_str, IMAPBUFSIZE, "\"%s\" <%s@%s>",
1492 out_fromname_str, userid, domain);
1493 } else {
1494 g_snprintf(out_from_str, IMAPBUFSIZE, "%s@%s",
1495 userid, domain);
1496 strcpy(out_fromname_str, out_from_str);
1497 }
1498
1499 while (*cur_pos == ' ') cur_pos++;
1500 g_return_val_if_fail(*cur_pos == ')', NULL);
1501
1502 return cur_pos + 1;
1503 }
1504
1505 static gchar *imap_parse_address(SockInfo *sock, gchar *start,
1506 gchar **out_from_str,
1507 gchar **out_fromname_str,
1508 GString *str)
1509 {
1510 gchar buf[IMAPBUFSIZE];
1511 gchar name_buf[IMAPBUFSIZE];
1512 gchar *cur_pos = start;
1513 GString *addr_str;
1514
1515 if (out_from_str) *out_from_str = NULL;
1516 if (out_fromname_str) *out_fromname_str = NULL;
1517 buf[0] = name_buf[0] = '\0';
1518
1519 if (!strncmp(cur_pos, "NIL", 3)) {
1520 if (out_from_str) *out_from_str = g_strdup("");
1521 if (out_fromname_str) *out_fromname_str = g_strdup("");
1522 return cur_pos + 3;
1523 }
1524
1525 g_return_val_if_fail(*cur_pos == '(', NULL);
1526 cur_pos++;
1527
1528 addr_str = g_string_new(NULL);
1529
1530 for (;;) {
1531 gchar ch = *cur_pos++;
1532 if (ch == ')') break;
1533 if (ch == '(') {
1534 cur_pos = imap_parse_one_address
1535 (sock, cur_pos, buf, name_buf, str);
1536 if (!cur_pos) {
1537 g_string_free(addr_str, TRUE);
1538 return NULL;
1539 }
1540 if (addr_str->str[0] != '\0')
1541 g_string_append(addr_str, ", ");
1542 g_string_append(addr_str, buf);
1543 }
1544 }
1545
1546 if (out_from_str) *out_from_str = g_strdup(addr_str->str);
1547 if (out_fromname_str) *out_fromname_str = g_strdup(name_buf);
1548
1549 g_string_free(addr_str, TRUE);
1550
1551 return cur_pos;
1552 }
1553
1554 static MsgFlags imap_parse_flags(const gchar *flag_str)
1555 {
1556 const gchar *p = flag_str;
1557 MsgFlags flags;
1558
1559 flags.perm_flags = MSG_UNREAD;
1560 flags.tmp_flags = MSG_IMAP;
1561
1562 while ((p = strchr(p, '\\')) != NULL) {
1563 p++;
1564
1565 if (g_strncasecmp(p, "Recent", 6) == 0) {
1566 MSG_SET_PERM_FLAGS(flags, MSG_NEW|MSG_UNREAD);
1567 } else if (g_strncasecmp(p, "Seen", 4) == 0) {
1568 MSG_UNSET_PERM_FLAGS(flags, MSG_NEW|MSG_UNREAD);
1569 } else if (g_strncasecmp(p, "Deleted", 7) == 0) {
1570 MSG_SET_PERM_FLAGS(flags, MSG_DELETED);
1571 } else if (g_strncasecmp(p, "Flagged", 7) == 0) {
1572 MSG_SET_PERM_FLAGS(flags, MSG_MARKED);
1573 }
1574 }
1575
1576 return flags;
1577 }
1578
1579 static MsgInfo *imap_parse_envelope(SockInfo *sock, GString *line_str)
1580 {
1581 MsgInfo *msginfo;
1582 gchar buf[IMAPBUFSIZE];
1583 gchar tmp[IMAPBUFSIZE];
1584 gchar *cur_pos;
1585 gint msgnum;
1586 guint32 uid = 0;
1587 size_t size = 0;
1588 gchar *date = NULL;
1589 time_t date_t = 0;
1590 gchar *subject = NULL;
1591 gchar *tmp_from;
1592 gchar *tmp_fromname;
1593 gchar *from = NULL;
1594 gchar *fromname = NULL;
1595 gchar *tmp_to;
1596 gchar *to = NULL;
1597 gchar *inreplyto = NULL;
1598 gchar *msgid = NULL;
1599 MsgFlags flags = {0, 0};
1600
1601 g_return_val_if_fail(line_str != NULL, NULL);
1602 g_return_val_if_fail(line_str->str[0] == '*' &&
1603 line_str->str[1] == ' ', NULL);
1604
1605 cur_pos = line_str->str + 2;
1606
1607 #define PARSE_ONE_ELEMENT(ch) \
1608 { \
1609 cur_pos = strchr_cpy(cur_pos, ch, buf, sizeof(buf)); \
1610 g_return_val_if_fail(cur_pos != NULL, NULL); \
1611 }
1612
1613 PARSE_ONE_ELEMENT(' ');
1614 msgnum = atoi(buf);
1615
1616 PARSE_ONE_ELEMENT(' ');
1617 g_return_val_if_fail(!strcmp(buf, "FETCH"), NULL);
1618
1619 g_return_val_if_fail(*cur_pos == '(', NULL);
1620 cur_pos++;
1621
1622 while (*cur_pos != '\0' && *cur_pos != ')') {
1623 while (*cur_pos == ' ') cur_pos++;
1624
1625 if (!strncmp(cur_pos, "UID ", 4)) {
1626 cur_pos += 4;
1627 uid = strtoul(cur_pos, &cur_pos, 10);
1628 } else if (!strncmp(cur_pos, "FLAGS ", 6)) {
1629 cur_pos += 6;
1630 g_return_val_if_fail(*cur_pos == '(', NULL);
1631 cur_pos++;
1632 PARSE_ONE_ELEMENT(')');
1633 flags = imap_parse_flags(buf);
1634 } else if (!strncmp(cur_pos, "RFC822.SIZE ", 12)) {
1635 cur_pos += 12;
1636 size = strtol(cur_pos, &cur_pos, 10);
1637 } else if (!strncmp(cur_pos, "ENVELOPE ", 9)) {
1638 cur_pos += 9;
1639 g_return_val_if_fail(*cur_pos == '(', NULL);
1640 cur_pos = imap_parse_atom
1641 (sock, cur_pos + 1, buf, sizeof(buf), line_str);
1642 Xstrdup_a(date, buf, return NULL);
1643 date_t = procheader_date_parse(NULL, date, 0);
1644
1645 cur_pos = imap_parse_atom
1646 (sock, cur_pos, buf, sizeof(buf), line_str);
1647 if (buf[0] != '\0') {
1648 conv_unmime_header(tmp, sizeof(tmp), buf, NULL);
1649 Xstrdup_a(subject, tmp, return NULL);
1650 }
1651
1652 g_return_val_if_fail(*cur_pos == ' ', NULL);
1653 cur_pos = imap_parse_address(sock, cur_pos + 1,
1654 &tmp_from, &tmp_fromname,
1655 line_str);
1656 Xstrdup_a(from, tmp_from,
1657 {g_free(tmp_from); g_free(tmp_fromname);
1658 return NULL;});
1659 Xstrdup_a(fromname, tmp_fromname,
1660 {g_free(tmp_from); g_free(tmp_fromname);
1661 return NULL;});
1662 g_free(tmp_from);
1663 g_free(tmp_fromname);
1664
1665 #define SKIP_ONE_ELEMENT() \
1666 { \
1667 g_return_val_if_fail(*cur_pos == ' ', NULL); \
1668 cur_pos = imap_parse_address(sock, cur_pos + 1, NULL, NULL, \
1669 line_str); \
1670 }
1671
1672 /* skip sender and reply-to */
1673 SKIP_ONE_ELEMENT();
1674 SKIP_ONE_ELEMENT();
1675
1676 g_return_val_if_fail(*cur_pos == ' ', NULL);
1677 cur_pos = imap_parse_address(sock, cur_pos + 1,
1678 &tmp_to, NULL, line_str);
1679 Xstrdup_a(to, tmp_to, {g_free(tmp_to); return NULL;});
1680 g_free(tmp_to);
1681
1682 /* skip Cc and Bcc */
1683 SKIP_ONE_ELEMENT();
1684 SKIP_ONE_ELEMENT();
1685
1686 #undef SKIP_ONE_ELEMENT
1687
1688 g_return_val_if_fail(*cur_pos == ' ', NULL);
1689 cur_pos = imap_parse_atom
1690 (sock, cur_pos, buf, sizeof(buf), line_str);
1691 if (buf[0] != '\0') {
1692 eliminate_parenthesis(buf, '(', ')');
1693 extract_parenthesis(buf, '<', '>');
1694 remove_space(buf);
1695 Xstrdup_a(inreplyto, buf, return NULL);
1696 }
1697
1698 g_return_val_if_fail(*cur_pos == ' ', NULL);
1699 cur_pos = imap_parse_atom
1700 (sock, cur_pos, buf, sizeof(buf), line_str);
1701 if (buf[0] != '\0') {
1702 extract_parenthesis(buf, '<', '>');
1703 remove_space(buf);
1704 Xstrdup_a(msgid, buf, return NULL);
1705 }
1706
1707 g_return_val_if_fail(*cur_pos == ')', NULL);
1708 cur_pos++;
1709 } else {
1710 g_warning("invalid FETCH response: %s\n", cur_pos);
1711 break;
1712 }
1713 }
1714
1715 msginfo = g_new0(MsgInfo, 1);
1716 msginfo->msgnum = uid;
1717 msginfo->size = size;
1718 msginfo->date = g_strdup(date);
1719 msginfo->date_t = date_t;
1720 msginfo->subject = g_strdup(subject);
1721 msginfo->from = g_strdup(from);
1722 msginfo->fromname = g_strdup(fromname);
1723 msginfo->to = g_strdup(to);
1724 msginfo->inreplyto = g_strdup(inreplyto);
1725 msginfo->msgid = g_strdup(msgid);
1726 msginfo->flags = flags;
1727
1728 return msginfo;
1729 }
1730
1731 static gint imap_set_message_flags(IMAPSession *session,
1732 guint32 first_uid,
1733 guint32 last_uid,
1734 IMAPFlags flags,
1735 gboolean is_set)
1736 {
1737 GString *buf;
1738 gint ok;
1739
1740 buf = g_string_new(is_set ? "+FLAGS (" : "-FLAGS (");
1741
1742 if (IMAP_IS_SEEN(flags)) g_string_append(buf, "\\Seen ");
1743 if (IMAP_IS_ANSWERED(flags)) g_string_append(buf, "\\Answered ");
1744 if (IMAP_IS_FLAGGED(flags)) g_string_append(buf, "\\Flagged ");
1745 if (IMAP_IS_DELETED(flags)) g_string_append(buf, "\\Deleted ");
1746 if (IMAP_IS_DRAFT(flags)) g_string_append(buf, "\\Draft");
1747
1748 if (buf->str[buf->len - 1] == ' ')
1749 g_string_truncate(buf, buf->len - 1);
1750
1751 g_string_append_c(buf, ')');
1752
1753 ok = imap_cmd_store(SESSION(session)->sock, first_uid, last_uid,
1754 buf->str);
1755 g_string_free(buf, TRUE);
1756
1757 return ok;
1758 }
1759
1760 static gint imap_select(IMAPSession *session, IMAPFolder *folder,
1761 const gchar *path,
1762 gint *exists, gint *recent, gint *unseen,
1763 guint32 *uid_validity)
1764 {
1765 gchar *real_path;
1766 gint ok;
1767
1768 real_path = imap_get_real_path(folder, path);
1769 ok = imap_cmd_select(SESSION(session)->sock, real_path,
1770 exists, recent, unseen, uid_validity);
1771 if (ok != IMAP_SUCCESS)
1772 log_warning(_("can't select folder: %s\n"), real_path);
1773 g_free(real_path);
1774
1775 return ok;
1776 }
1777
1778 #define THROW(err) { ok = err; goto catch; }
1779
1780 static gint imap_get_uid(IMAPSession *session, gint msgnum, guint32 *uid)
1781 {
1782 gint ok;
1783 GPtrArray *argbuf;
1784 gchar *str;
1785 gint num;
1786
1787 *uid = 0;
1788 argbuf = g_ptr_array_new();
1789
1790 imap_cmd_gen_send(SESSION(session)->sock, "FETCH %d (UID)", msgnum);
1791 if ((ok = imap_cmd_ok(SESSION(session)->sock, argbuf)) != IMAP_SUCCESS)
1792 THROW(ok);
1793
1794 str = search_array_contain_str(argbuf, "FETCH");
1795 if (!str) THROW(IMAP_ERROR);
1796
1797 if (sscanf(str, "%d FETCH (UID %d)", &num, uid) != 2 ||
1798 num != msgnum) {
1799 g_warning("imap_get_uid(): invalid FETCH line.\n");
1800 THROW(IMAP_ERROR);
1801 }
1802
1803 catch:
1804 ptr_array_free_strings(argbuf);
1805 g_ptr_array_free(argbuf, TRUE);
1806
1807 return ok;
1808 }
1809
1810 static gint imap_status(IMAPSession *session, IMAPFolder *folder,
1811 const gchar *path,
1812 gint *messages, gint *recent, gint *unseen,
1813 guint32 *uid_validity)
1814 {
1815 gchar *real_path;
1816 gint ok;
1817 GPtrArray *argbuf;
1818 gchar *str;
1819
1820 *messages = *recent = *unseen = *uid_validity = 0;
1821
1822 argbuf = g_ptr_array_new();
1823
1824 real_path = imap_get_real_path(folder, path);
1825 if (strchr(real_path, ' ') != NULL)
1826 imap_cmd_gen_send(SESSION(session)->sock, "STATUS \"%s\" "
1827 "(MESSAGES RECENT UNSEEN UIDVALIDITY)",
1828 real_path);
1829 else
1830 imap_cmd_gen_send(SESSION(session)->sock, "STATUS %s "
1831 "(MESSAGES RECENT UNSEEN UIDVALIDITY)",
1832 real_path);
1833
1834 ok = imap_cmd_ok(SESSION(session)->sock, argbuf);
1835 if (ok != IMAP_SUCCESS) THROW(ok);
1836
1837 str = search_array_contain_str(argbuf, "STATUS");
1838 if (!str) THROW(IMAP_ERROR);
1839
1840 str = strchr(str, '(');
1841 if (!str) THROW(IMAP_ERROR);
1842 str++;
1843 while (*str != '\0' && *str != ')') {
1844 while (*str == ' ') str++;
1845
1846 if (!strncmp(str, "MESSAGES ", 9)) {
1847 str += 9;
1848 *messages = strtol(str, &str, 10);
1849 } else if (!strncmp(str, "RECENT ", 7)) {
1850 str += 7;
1851 *recent = strtol(str, &str, 10);
1852 } else if (!strncmp(str, "UNSEEN ", 7)) {
1853 str += 7;
1854 *unseen = strtol(str, &str, 10);
1855 } else if (!strncmp(str, "UIDVALIDITY ", 12)) {
1856 str += 12;
1857 *uid_validity = strtoul(str, &str, 10);
1858 } else {
1859 g_warning("invalid STATUS response: %s\n", str);
1860 break;
1861 }
1862 }
1863
1864 catch:
1865 g_free(real_path);
1866 ptr_array_free_strings(argbuf);
1867 g_ptr_array_free(argbuf, TRUE);
1868
1869 return ok;
1870 }
1871
1872 #undef THROW
1873
1874
1875 /* low-level IMAP4rev1 commands */
1876
1877 static gint imap_cmd_login(SockInfo *sock,
1878 const gchar *user, const gchar *pass)
1879 {
1880 gint ok;
1881
1882 if (strchr(user, ' ') != NULL)
1883 imap_cmd_gen_send(sock, "LOGIN \"%s\" %s", user, pass);
1884 else
1885 imap_cmd_gen_send(sock, "LOGIN %s %s", user, pass);
1886
1887 ok = imap_cmd_ok(sock, NULL);
1888 if (ok != IMAP_SUCCESS)
1889 log_warning(_("IMAP4 login failed.\n"));
1890
1891 return ok;
1892 }
1893
1894 static gint imap_cmd_logout(SockInfo *sock)
1895 {
1896 imap_cmd_gen_send(sock, "LOGOUT");
1897 return imap_cmd_ok(sock, NULL);
1898 }
1899
1900 static gint imap_cmd_noop(SockInfo *sock)
1901 {
1902 imap_cmd_gen_send(sock, "NOOP");
1903 return imap_cmd_ok(sock, NULL);
1904 }
1905
1906 #define THROW(err) { ok = err; goto catch; }
1907
1908 static gint imap_cmd_namespace(SockInfo *sock, gchar **ns_str)
1909 {
1910 gint ok;
1911 GPtrArray *argbuf;
1912 gchar *str;
1913
1914 argbuf = g_ptr_array_new();
1915
1916 imap_cmd_gen_send(sock, "NAMESPACE");
1917 if ((ok = imap_cmd_ok(sock, argbuf)) != IMAP_SUCCESS) THROW(ok);
1918
1919 str = search_array_contain_str(argbuf, "NAMESPACE");
1920 if (!str) THROW(IMAP_ERROR);
1921
1922 *ns_str = g_strdup(str);
1923
1924 catch:
1925 ptr_array_free_strings(argbuf);
1926 g_ptr_array_free(argbuf, TRUE);
1927
1928 return ok;
1929 }
1930
1931 #undef THROW
1932
1933 static gint imap_cmd_list(SockInfo *sock, const gchar *ref,
1934 const gchar *mailbox, GPtrArray *argbuf)
1935 {
1936 gchar *new_ref;
1937 gchar *new_mailbox;
1938
1939 if (!ref) ref = "\"\"";
1940 if (!mailbox) mailbox = "\"\"";
1941
1942 if (*ref != '"' && strchr(ref, ' ') != NULL)
1943 new_ref = g_strdup_printf("\"%s\"", ref);
1944 else
1945 new_ref = g_strdup(ref);
1946 if (*mailbox != '"' && strchr(mailbox, ' ') != NULL)
1947 new_mailbox = g_strdup_printf("\"%s\"", mailbox);
1948 else
1949 new_mailbox = g_strdup(mailbox);
1950
1951 imap_cmd_gen_send(sock, "LIST %s %s", new_ref, new_mailbox);
1952
1953 g_free(new_ref);
1954 g_free(new_mailbox);
1955
1956 return imap_cmd_ok(sock, argbuf);
1957 }
1958
1959 #define THROW goto catch
1960
1961 static gint imap_cmd_do_select(SockInfo *sock, const gchar *folder,
1962 gboolean examine,
1963 gint *exists, gint *recent, gint *unseen,
1964 guint32 *uid_validity)
1965 {
1966 gint ok;
1967 gchar *resp_str;
1968 GPtrArray *argbuf;
1969 gchar *select_cmd;
1970
1971 *exists = *recent = *unseen = *uid_validity = 0;
1972 argbuf = g_ptr_array_new();
1973
1974 if (examine)
1975 select_cmd = "EXAMINE";
1976 else
1977 select_cmd = "SELECT";
1978
1979 if (strchr(folder, ' ') != NULL)
1980 imap_cmd_gen_send(sock, "%s \"%s\"", select_cmd, folder);
1981 else
1982 imap_cmd_gen_send(sock, "%s %s", select_cmd, folder);
1983
1984 if ((ok = imap_cmd_ok(sock, argbuf)) != IMAP_SUCCESS) THROW;
1985
1986 resp_str = search_array_contain_str(argbuf, "EXISTS");
1987 if (resp_str) {
1988 if (sscanf(resp_str,"%d EXISTS", exists) != 1) {
1989 g_warning("imap_cmd_select(): invalid EXISTS line.\n");
1990 THROW;
1991 }
1992 }
1993
1994 resp_str = search_array_contain_str(argbuf, "RECENT");
1995 if (resp_str) {
1996 if (sscanf(resp_str, "%d RECENT", recent) != 1) {
1997 g_warning("imap_cmd_select(): invalid RECENT line.\n");
1998 THROW;
1999 }
2000 }
2001
2002 resp_str = search_array_contain_str(argbuf, "UIDVALIDITY");
2003 if (resp_str) {
2004 if (sscanf(resp_str, "OK [UIDVALIDITY %u] ", uid_validity)
2005 != 1) {
2006 g_warning("imap_cmd_select(): invalid UIDVALIDITY line.\n");
2007 THROW;
2008 }
2009 }
2010
2011 resp_str = search_array_contain_str(argbuf, "UNSEEN");
2012 if (resp_str) {
2013 if (sscanf(resp_str, "OK [UNSEEN %d] ", unseen) != 1) {
2014 g_warning("imap_cmd_select(): invalid UNSEEN line.\n");
2015 THROW;
2016 }
2017 }
2018
2019 catch:
2020 ptr_array_free_strings(argbuf);
2021 g_ptr_array_free(argbuf, TRUE);
2022
2023 return ok;
2024 }
2025
2026 static gint imap_cmd_select(SockInfo *sock, const gchar *folder,
2027 gint *exists, gint *recent, gint *unseen,
2028 guint32 *uid_validity)
2029 {
2030 return imap_cmd_do_select(sock, folder, FALSE,
2031 exists, recent, unseen, uid_validity);
2032 }
2033
2034 static gint imap_cmd_examine(SockInfo *sock, const gchar *folder,
2035 gint *exists, gint *recent, gint *unseen,
2036 guint32 *uid_validity)
2037 {
2038 return imap_cmd_do_select(sock, folder, TRUE,
2039 exists, recent, unseen, uid_validity);
2040 }
2041
2042 #undef THROW
2043
2044 static gint imap_cmd_create(SockInfo *sock, const gchar *folder)
2045 {
2046 if (strchr(folder, ' ') != NULL)
2047 imap_cmd_gen_send(sock, "CREATE \"%s\"", folder);
2048 else
2049 imap_cmd_gen_send(sock, "CREATE %s", folder);
2050
2051 return imap_cmd_ok(sock, NULL);
2052 }
2053
2054 static gint imap_cmd_delete(SockInfo *sock, const gchar *folder)
2055 {
2056 if (strchr(folder, ' ') != NULL)
2057 imap_cmd_gen_send(sock, "DELETE \"%s\"", folder);
2058 else
2059 imap_cmd_gen_send(sock, "DELETE %s", folder);
2060
2061 return imap_cmd_ok(sock, NULL);
2062 }
2063
2064 static gint imap_cmd_fetch(SockInfo *sock, guint32 uid, const gchar *filename)
2065 {
2066 gint ok;
2067 gchar buf[IMAPBUFSIZE];
2068 gchar *cur_pos;
2069 gchar size_str[32];
2070 glong size_num;
2071
2072 g_return_val_if_fail(filename != NULL, IMAP_ERROR);
2073
2074 imap_cmd_gen_send(sock, "UID FETCH %d BODY[]", uid);
2075
2076 if (sock_gets(sock, buf, sizeof(buf)) < 0)
2077 return IMAP_ERROR;
2078 strretchomp(buf);
2079 if (buf[0] != '*' || buf[1] != ' ')
2080 return IMAP_ERROR;
2081 log_print("IMAP4< %s\n", buf);
2082
2083 cur_pos = strchr(buf, '{');
2084 g_return_val_if_fail(cur_pos != NULL, IMAP_ERROR);
2085 cur_pos = strchr_cpy(cur_pos + 1, '}', size_str, sizeof(size_str));
2086 g_return_val_if_fail(cur_pos != NULL, IMAP_ERROR);
2087 size_num = atol(size_str);
2088
2089 if (*cur_pos != '\0') return IMAP_ERROR;
2090
2091 if (recv_bytes_write_to_file(sock, size_num, filename) != 0)
2092 return IMAP_ERROR;
2093
2094 if (imap_cmd_gen_recv(sock, buf, sizeof(buf)) != IMAP_SUCCESS)
2095 return IMAP_ERROR;
2096
2097 if (buf[0] == '\0' || buf[strlen(buf) - 1] != ')')
2098 return IMAP_ERROR;
2099
2100 ok = imap_cmd_ok(sock, NULL);
2101
2102 return ok;
2103 }
2104
2105 static gint imap_cmd_append(SockInfo *sock, const gchar *destfolder,
2106 const gchar *file)
2107 {
2108 gint ok;
2109 gint size;
2110
2111 g_return_val_if_fail(file != NULL, IMAP_ERROR);
2112
2113 size = get_file_size(file);
2114 imap_cmd_gen_send(sock, "APPEND %s {%d}", destfolder, size);
2115 ok = imap_cmd_ok(sock, NULL);
2116 if (ok != IMAP_SUCCESS) {
2117 log_warning(_("can't append %s to %s\n"), file, destfolder);
2118 return -1;
2119 }
2120
2121 return ok;
2122 }
2123
2124 static gint imap_cmd_copy(SockInfo *sock, guint32 uid, const gchar *destfolder)
2125 {
2126 gint ok;
2127
2128 g_return_val_if_fail(destfolder != NULL, IMAP_ERROR);
2129
2130 if (strchr(destfolder, ' ') != NULL)
2131 imap_cmd_gen_send(sock, "UID COPY %d \"%s\"", uid, destfolder);
2132 else
2133 imap_cmd_gen_send(sock, "UID COPY %d %s", uid, destfolder);
2134
2135 ok = imap_cmd_ok(sock, NULL);
2136 if (ok != IMAP_SUCCESS) {
2137 log_warning(_("can't copy %d to %s\n"), uid, destfolder);
2138 return -1;
2139 }
2140
2141 return ok;
2142 }
2143
2144 gint imap_cmd_envelope(SockInfo *sock, guint32 first_uid, guint32 last_uid)
2145 {
2146 imap_cmd_gen_send
2147 (sock, "UID FETCH %d:%d (UID FLAGS RFC822.SIZE ENVELOPE)",
2148 first_uid, last_uid);
2149
2150 return IMAP_SUCCESS;
2151 }
2152
2153 static gint imap_cmd_store(SockInfo *sock, guint32 first_uid, guint32 last_uid,
2154 gchar *sub_cmd)
2155 {
2156 gint ok;
2157
2158 imap_cmd_gen_send(sock, "UID STORE %d:%d %s",
2159 first_uid, last_uid, sub_cmd);
2160
2161 if ((ok = imap_cmd_ok(sock, NULL)) != IMAP_SUCCESS) {
2162 log_warning(_("error while imap command: STORE %d:%d %s\n"),
2163 first_uid, last_uid, sub_cmd);
2164 return ok;
2165 }
2166
2167 return IMAP_SUCCESS;
2168 }
2169
2170 static gint imap_cmd_expunge(SockInfo *sock)
2171 {
2172 gint ok;
2173
2174 imap_cmd_gen_send(sock, "EXPUNGE");
2175 if ((ok = imap_cmd_ok(sock, NULL)) != IMAP_SUCCESS) {
2176 log_warning(_("error while imap command: EXPUNGE\n"));
2177 return ok;
2178 }
2179
2180 return IMAP_SUCCESS;
2181 }
2182
2183 static gint imap_cmd_ok(SockInfo *sock, GPtrArray *argbuf)
2184 {
2185 gint ok;
2186 gchar buf[IMAPBUFSIZE];
2187 gint cmd_num;
2188 gchar cmd_status[IMAPBUFSIZE];
2189
2190 while ((ok = imap_cmd_gen_recv(sock, buf, sizeof(buf)))
2191 == IMAP_SUCCESS) {
2192 if (buf[0] == '*' && buf[1] == ' ') {
2193 if (argbuf)
2194 g_ptr_array_add(argbuf, g_strdup(buf + 2));
2195 continue;
2196 }
2197
2198 if (sscanf(buf, "%d %s", &cmd_num, cmd_status) < 2)
2199 return IMAP_ERROR;
2200 else if (cmd_num == imap_cmd_count &&
2201 !strcmp(cmd_status, "OK")) {
2202 if (argbuf)
2203 g_ptr_array_add(argbuf, g_strdup(buf));
2204 return IMAP_SUCCESS;
2205 } else
2206 return IMAP_ERROR;
2207 }
2208
2209 return ok;
2210 }
2211
2212 static void imap_cmd_gen_send(SockInfo *sock, const gchar *format, ...)
2213 {
2214 gchar buf[IMAPBUFSIZE];
2215 gchar tmp[IMAPBUFSIZE];
2216 gchar *p;
2217 va_list args;
2218
2219 va_start(args, format);
2220 g_vsnprintf(tmp, sizeof(tmp), format, args);
2221 va_end(args);
2222
2223 imap_cmd_count++;
2224
2225 g_snprintf(buf, sizeof(buf), "%d %s\r\n", imap_cmd_count, tmp);
2226 if (!strncasecmp(tmp, "LOGIN ", 6) && (p = strchr(tmp + 6, ' '))) {
2227 *p = '\0';
2228 log_print("IMAP4> %d %s ********\n", imap_cmd_count, tmp);
2229 } else
2230 log_print("IMAP4> %d %s\n", imap_cmd_count, tmp);
2231
2232 sock_write(sock, buf, strlen(buf));
2233 }
2234
2235 static gint imap_cmd_gen_recv(SockInfo *sock, gchar *buf, gint size)
2236 {
2237 if (sock_gets(sock, buf, size) == -1)
2238 return IMAP_SOCKET;
2239
2240 strretchomp(buf);
2241
2242 log_print("IMAP4< %s\n", buf);
2243
2244 return IMAP_SUCCESS;
2245 }
2246
2247
2248 /* misc utility functions */
2249
2250 static gchar *strchr_cpy(const gchar *src, gchar ch, gchar *dest, gint len)
2251 {
2252 gchar *tmp;
2253
2254 dest[0] = '\0';
2255 tmp = strchr(src, ch);
2256 if (!tmp)
2257 return NULL;
2258
2259 memcpy(dest, src, MIN(tmp - src, len - 1));
2260 dest[MIN(tmp - src, len - 1)] = '\0';
2261
2262 return tmp + 1;
2263 }
2264
2265 static gchar *get_quoted(const gchar *src, gchar ch, gchar *dest, gint len)
2266 {
2267 const gchar *p = src;
2268 gint n = 0;
2269
2270 g_return_val_if_fail(*p == ch, NULL);
2271
2272 *dest = '\0';
2273 p++;
2274
2275 while (*p != '\0' && *p != ch) {
2276 if (n < len - 1) {
2277 if (*p == '\\' && *(p + 1) != '\0')
2278 p++;
2279 *dest++ = *p++;
2280 } else
2281 p++;
2282 n++;
2283 }
2284
2285 *dest = '\0';
2286 return (gchar *)(*p == ch ? p + 1 : p);
2287 }
2288
2289 static gchar *search_array_contain_str(GPtrArray *array, gchar *str)
2290 {
2291 gint i;
2292
2293 for (i = 0; i < array->len; i++) {
2294 gchar *tmp;
2295
2296 tmp = g_ptr_array_index(array, i);
2297 if (strstr(tmp, str) != NULL)
2298 return tmp;
2299 }
2300
2301 return NULL;
2302 }
2303
2304 static void imap_path_separator_subst(gchar *str, gchar separator)
2305 {
2306 if (separator && separator != '/')
2307 subst_char(str, '/', separator);
2308 }